Gyms provide activities that keep kids off the street. But in the sprawling slums of Brazil, where do you find the space to put one? This new architectural marvel stacks all the amenities you could want.

For the first time in its 8-year history, the Clinton Global Initiative has assigned a theme to its Annual Meeting—"Design for Impact"—to remind participants that the goal of the organization is action, not simply ideas.

Did you know that in 1910, Paris got flooded so badly that it became, as one writer puts it, "a reluctant Venice, gondolas and all, virtually overnight"? Me neither, but this creepy video by Olivier Campagne and Vivien Balzi—which depicts a modern-day City of Light deluged and deserted—got me a-Googlin' to see if something similar had ever happened in real life. Check it out:

Self-interest is the fundamental driver for investors in the "saving the world" business. Companies want to help educate people because educated people will get jobs, make money, and buy products. New ideas about how to make that happen emerged recently at the Clinton Global Initiative annual meeting in New York.

For those of you who’ve never had the pleasure of visualizing music, of watching it twist and turn and bend through the protean halls of space-time, allow Süperfad to fill what your imaginations (or your drugs) have cruelly withheld: The American design studio (sorry, stüdio) produced a short, live-action film recently that paints an abstract portrait of what it’s like to actually see music.

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[Is it just us or does the beginning sound like Coolio?]

A team of animators has hacked Microsoft's Kinect sensor suite to create a motion-replication system that powers CGI characters. Remember Gollum in Lord of The Rings? Yup—kinda like that. (But way cheaper.)

You will soon find that no corporate board will hire a CEO or elect a new board member who doesn't have experience in environmental sustainability and social issues. Why would I say this? And where would a corporate person gain personal experience in environmental and social issues?